attorney wants the federal government to crack down on energy franks and is urging the fda to require the amount of caffeine in the drinks be printed on the label. last year, the fda disclosed five deaths are possibly linked to the beverages. the company that makes the drinks insist they are safe. >>> a new study says shoe ari drinks can kill you. they've linked 180,000 obesity- related death the worldwide to sugary drinks. of that --s -- worldwide to sugary drinks. >>> thank you for trusting ktvu channel 2 news. we'll see you the next time news breaks. we're always here for you at ktvu.com and mobile ktvu.com. have a great day.